Home / 8,378,156.80-12,567,235.20-4,126,628.80

Finding the Fourth Proportional to 8,378,156.80, 12,567,235.20 and 4,126,628.80

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Solution

The fourth proportional to 8,378,156.80, 12,567,235.20 and 4,126,628.80 is: 6,189,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,156.80 : 12,567,235.20 = 4,126,628.80 : x
  2. Step 2: Convert to fraction form
    8,378,156.80/12,567,235.20 = 4,126,628.80/x
  3. Step 3: Cross multiply
    8,378,156.80x = 12,567,235.20 × 4,126,628.80
  4. Step 4: Simplify right side
    8,378,156.80x = 51,860,314,712,693.76
  5. Step 5: Solve for x
    x = 51,860,314,712,693.76/8,378,156.80
  6. Step 6: Final answer
    x = 6,189,943.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.